As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TNN - DURING 1/4D CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, CORROSION WAS FOUND ON LEFT LAVATORY PARITION LOWER SUPPORT HAT SECTION CHANNELS AT BS 1148, LBL 23 AND BS 1130, LBL 29. THE CORRODED HAT SECTION CHANNELS WERE REMOVED AND REPLACED WITH NEW HAT SECTION CHANNELS PER B727 SRM 51-30-2. (M)